There are two types of ataxia in the Jack Russell Terrier, Cerebellar Ataxia and Spino-Cerebellar Ataxia, also referred to as SCA. These are two different genetic diseases, and at this time, we only have a genetic test for SCA. Cerebellar Ataxia This type of Ataxia is often referred to as Early Onset Ataxia and affects ...

For those who have never experienced the tragedy of spinocerebellar (late onset) ataxia, I would like to tell my experiences. My litter (of 3) were born healthy with no whelping problems, but at 9 wks of age I began to notice that one of the pups was moving like each leg was a different length. ...

Ataxia: JRTs can be affected with Cerebellar Ataxia OR Spinocerebellar Ataxia. Not both. It is not the norm for an entire litter of 4 to be affected with ataxia. Usually its one or two… but, as with all diseases… one never knows for sure. Cerebellar Ataxia (early onset): Age at onset 2 weeks (or as ...

The Spinocerebellar Ataxia (SCA) Mutation has been found. A test is now available. See the testing page for more information. For more information on SCA, please visit the Diseases page. Related Articles Ataxia from a Breeders Standpoint Spinocerebellar Ataxia with Myokymia: Facts